ATE361525T1 - System und verfahren zur hochqualitativen verlängerung und verkürzung eines digitalen audiosignals - Google Patents

System und verfahren zur hochqualitativen verlängerung und verkürzung eines digitalen audiosignals

Info

Publication number
ATE361525T1
ATE361525T1 AT04103503T AT04103503T ATE361525T1 AT E361525 T1 ATE361525 T1 AT E361525T1 AT 04103503 T AT04103503 T AT 04103503T AT 04103503 T AT04103503 T AT 04103503T AT E361525 T1 ATE361525 T1 AT E361525T1
Authority
AT
Austria
Prior art keywords
segments
stretching
frame
compressing
voiced
Prior art date
Application number
AT04103503T
Other languages
English (en)
Inventor
Dinei A Florencio
Philip A Chou
Li-Wei He
Original Assignee
Microsoft Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Microsoft Corp filed Critical Microsoft Corp
Application granted granted Critical
Publication of ATE361525T1 publication Critical patent/ATE361525T1/de

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/04—Time compression or expansion
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
    • G10L2025/935—Mixed voiced class; Transitions

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Quality & Reliability (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
AT04103503T 2003-09-10 2004-07-22 System und verfahren zur hochqualitativen verlängerung und verkürzung eines digitalen audiosignals ATE361525T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10/660,325 US7337108B2 (en) 2003-09-10 2003-09-10 System and method for providing high-quality stretching and compression of a digital audio signal

Publications (1)

Publication Number Publication Date
ATE361525T1 true ATE361525T1 (de) 2007-05-15

Family

ID=34136772

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04103503T ATE361525T1 (de) 2003-09-10 2004-07-22 System und verfahren zur hochqualitativen verlängerung und verkürzung eines digitalen audiosignals

Country Status (7)

Country Link
US (1) US7337108B2 (de)
EP (1) EP1515310B1 (de)
JP (1) JP5096660B2 (de)
KR (1) KR101046147B1 (de)
CN (1) CN100533989C (de)
AT (1) ATE361525T1 (de)
DE (1) DE602004006206T2 (de)

Families Citing this family (126)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7596488B2 (en) * 2003-09-15 2009-09-29 Microsoft Corporation System and method for real-time jitter control and packet-loss concealment in an audio signal
US7412376B2 (en) * 2003-09-10 2008-08-12 Microsoft Corporation System and method for real-time detection and preservation of speech onset in a signal
KR100547445B1 (ko) * 2003-11-11 2006-01-31 주식회사 코스모탄 디지털 오디오신호 및 오디오/비디오신호의 변속처리방법및 이를 이용한 디지털 방송신호의 변속재생방법
JP3924583B2 (ja) * 2004-02-03 2007-06-06 松下電器産業株式会社 ユーザ適応型装置およびその制御方法
US20050227657A1 (en) * 2004-04-07 2005-10-13 Telefonaktiebolaget Lm Ericsson (Publ) Method and apparatus for increasing perceived interactivity in communications systems
US20050283795A1 (en) * 2004-05-14 2005-12-22 Ryan Steelberg Broadcast monitoring system and method
US7710982B2 (en) 2004-05-26 2010-05-04 Nippon Telegraph And Telephone Corporation Sound packet reproducing method, sound packet reproducing apparatus, sound packet reproducing program, and recording medium
JP4096915B2 (ja) * 2004-06-01 2008-06-04 株式会社日立製作所 デジタル情報再生装置及び方法
US7783482B2 (en) * 2004-09-24 2010-08-24 Alcatel-Lucent Usa Inc. Method and apparatus for enhancing voice intelligibility in voice-over-IP network applications with late arriving packets
DE102004047069A1 (de) * 2004-09-28 2006-04-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Ändern einer Segmentierung eines Audiostücks
DE102004047032A1 (de) * 2004-09-28 2006-04-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vorrichtung und Verfahren zum Bezeichnen von verschiedenen Segmentklassen
WO2006106466A1 (en) * 2005-04-07 2006-10-12 Koninklijke Philips Electronics N.V. Method and signal processor for modification of audio signals
JP4675692B2 (ja) * 2005-06-22 2011-04-27 富士通株式会社 話速変換装置
JP4736632B2 (ja) * 2005-08-31 2011-07-27 株式会社国際電気通信基礎技術研究所 ボーカル・フライ検出装置及びコンピュータプログラム
US8155972B2 (en) * 2005-10-05 2012-04-10 Texas Instruments Incorporated Seamless audio speed change based on time scale modification
EP1969742A4 (de) * 2005-12-15 2010-04-28 Google Inc Inhaltsdepot
US20070186146A1 (en) * 2006-02-07 2007-08-09 Nokia Corporation Time-scaling an audio signal
CA2650419A1 (en) * 2006-04-27 2007-11-08 Technologies Humanware Canada Inc. Method for the time scaling of an audio signal
WO2008007616A1 (en) * 2006-07-13 2008-01-17 Nec Corporation Non-audible murmur input alarm device, method, and program
KR100883652B1 (ko) * 2006-08-03 2009-02-18 삼성전자주식회사 음성 구간 검출 방법 및 장치, 및 이를 이용한 음성 인식시스템
US8731913B2 (en) * 2006-08-03 2014-05-20 Broadcom Corporation Scaled window overlap add for mixed signals
US7647229B2 (en) * 2006-10-18 2010-01-12 Nokia Corporation Time scaling of multi-channel audio signals
JP4940888B2 (ja) * 2006-10-23 2012-05-30 ソニー株式会社 オーディオ信号伸張圧縮装置及び方法
US8214517B2 (en) * 2006-12-01 2012-07-03 Nec Laboratories America, Inc. Methods and systems for quick and efficient data management and/or processing
US8005671B2 (en) 2006-12-04 2011-08-23 Qualcomm Incorporated Systems and methods for dynamic normalization to reduce loss in precision for low-level signals
US7873064B1 (en) 2007-02-12 2011-01-18 Marvell International Ltd. Adaptive jitter buffer-packet loss concealment
CN101325631B (zh) * 2007-06-14 2010-10-20 华为技术有限公司 一种估计基音周期的方法和装置
US8401865B2 (en) * 2007-07-18 2013-03-19 Nokia Corporation Flexible parameter update in audio/speech coded signals
CN100524462C (zh) * 2007-09-15 2009-08-05 华为技术有限公司 对高带信号进行帧错误隐藏的方法及装置
US10002189B2 (en) 2007-12-20 2018-06-19 Apple Inc. Method and apparatus for searching using an active ontology
US9330720B2 (en) 2008-01-03 2016-05-03 Apple Inc. Methods and apparatus for altering audio output signals
JP2010009206A (ja) * 2008-06-25 2010-01-14 Nikon Corp 記録制御装置
KR101381513B1 (ko) * 2008-07-14 2014-04-07 광운대학교 산학협력단 음성/음악 통합 신호의 부호화/복호화 장치
US20100030549A1 (en) 2008-07-31 2010-02-04 Lee Michael M Mobile device having human language translation capability with positional feedback
US8676904B2 (en) 2008-10-02 2014-03-18 Apple Inc. Electronic devices with voice command and contextual data processing capabilities
JP5245962B2 (ja) * 2009-03-19 2013-07-24 日本電気株式会社 音声合成装置、音声合成方法、プログラム及び記録媒体
US9269366B2 (en) * 2009-08-03 2016-02-23 Broadcom Corporation Hybrid instantaneous/differential pitch period coding
US8682667B2 (en) 2010-02-25 2014-03-25 Apple Inc. User profiling for selecting user specific voice input processing information
CN102934164B (zh) * 2010-03-09 2015-12-09 弗兰霍菲尔运输应用研究公司 改变回放速度或音调时处理音频信号中瞬态声音事件的设备和方法
AU2011226212B2 (en) 2010-03-09 2014-03-27 Dolby International Ab Apparatus and method for processing an input audio signal using cascaded filterbanks
PT2545551T (pt) 2010-03-09 2018-01-03 Fraunhofer Ges Forschung Resposta de magnitude aperfeiçoada e alinhamento temporal de um vocoder de fase com base no método de extensão de largura de banda para sinais de áudio
US8620660B2 (en) * 2010-10-29 2013-12-31 The United States Of America, As Represented By The Secretary Of The Navy Very low bit rate signal coder and decoder
US9262612B2 (en) 2011-03-21 2016-02-16 Apple Inc. Device access using voice authentication
US10057736B2 (en) 2011-06-03 2018-08-21 Apple Inc. Active transport based notifications
US10134385B2 (en) 2012-03-02 2018-11-20 Apple Inc. Systems and methods for name pronunciation
US9324330B2 (en) * 2012-03-29 2016-04-26 Smule, Inc. Automatic conversion of speech into song, rap or other audible expression having target meter or rhythm
JP5465276B2 (ja) * 2012-06-04 2014-04-09 株式会社Ｎｔｔドコモ 音声パケット通信方法および音声パケット通信装置
CN103871414B (zh) * 2012-12-11 2016-06-29 华为技术有限公司 一种多声道语音信号的时标调制方法和装置
JP6098149B2 (ja) * 2012-12-12 2017-03-22 富士通株式会社 音声処理装置、音声処理方法および音声処理プログラム
CN108847247B (zh) * 2013-02-05 2023-04-07 瑞典爱立信有限公司 音频帧丢失隐藏
KR102110212B1 (ko) * 2013-02-05 2020-05-13 텔레폰악티에볼라겟엘엠에릭슨(펍) 오디오 프레임 손실 은폐를 제어하기 위한 방법 및 장치
KR101467684B1 (ko) * 2013-05-20 2014-12-01 김정훈 이진데이터 압축 및 압축해제 장치와 방법
WO2014197335A1 (en) 2013-06-08 2014-12-11 Apple Inc. Interpreting and acting upon commands that involve sharing information with remote devices
JP6259911B2 (ja) 2013-06-09 2018-01-10 アップル インコーポレイテッド デジタルアシスタントの２つ以上のインスタンスにわたる会話持続を可能にするための機器、方法、及びグラフィカルユーザインタフェース
US10176167B2 (en) 2013-06-09 2019-01-08 Apple Inc. System and method for inferring user intent from speech inputs
SG11201510459YA (en) 2013-06-21 2016-01-28 Fraunhofer Ges Forschung Jitter buffer control, audio decoder, method and computer program
MY171256A (en) * 2013-06-21 2019-10-07 Fraunhofer Ges Forschung Time scaler, audio decoder, method and a computer program using a quality control
EP2881944B1 (de) * 2013-12-05 2016-04-13 Nxp B.V. Audiosignalverarbeitungsvorrichtung
US10296160B2 (en) 2013-12-06 2019-05-21 Apple Inc. Method for extracting salient dialog usage from live data
US10255903B2 (en) * 2014-05-28 2019-04-09 Interactive Intelligence Group, Inc. Method for forming the excitation signal for a glottal pulse model based parametric speech synthesis system
US10014007B2 (en) * 2014-05-28 2018-07-03 Interactive Intelligence, Inc. Method for forming the excitation signal for a glottal pulse model based parametric speech synthesis system
US9430463B2 (en) 2014-05-30 2016-08-30 Apple Inc. Exemplar-based natural language processing
EP3480811A1 (de) 2014-05-30 2019-05-08 Apple Inc. Verfahren zur eingabe von mehreren befehlen mit einer einzigen äusserung
US10170123B2 (en) 2014-05-30 2019-01-01 Apple Inc. Intelligent assistant for home automation
US9633004B2 (en) 2014-05-30 2017-04-25 Apple Inc. Better resolution when referencing to concepts
WO2016036163A2 (ko) * 2014-09-03 2016-03-10 삼성전자 주식회사 오디오 신호를 학습하고 인식하는 방법 및 장치
US9818400B2 (en) 2014-09-11 2017-11-14 Apple Inc. Method and apparatus for discovering trending terms in speech requests
US10127911B2 (en) 2014-09-30 2018-11-13 Apple Inc. Speaker identification and unsupervised speaker adaptation techniques
US9668121B2 (en) 2014-09-30 2017-05-30 Apple Inc. Social reminders
US10074360B2 (en) 2014-09-30 2018-09-11 Apple Inc. Providing an indication of the suitability of speech recognition
US10152299B2 (en) 2015-03-06 2018-12-11 Apple Inc. Reducing response latency of intelligent automated assistants
US9721566B2 (en) 2015-03-08 2017-08-01 Apple Inc. Competing devices responding to voice triggers
US9886953B2 (en) 2015-03-08 2018-02-06 Apple Inc. Virtual assistant activation
GB2537924B (en) * 2015-04-30 2018-12-05 Toshiba Res Europe Limited A Speech Processing System and Method
US10083688B2 (en) 2015-05-27 2018-09-25 Apple Inc. Device voice control for selecting a displayed affordance
US11025565B2 (en) 2015-06-07 2021-06-01 Apple Inc. Personalized prediction of responses for instant messaging
KR102422794B1 (ko) * 2015-09-04 2022-07-20 삼성전자주식회사 재생지연 조절 방법 및 장치와 시간축 변형방법 및 장치
CN105706167B (zh) 2015-11-19 2017-05-31 瑞典爱立信有限公司 有语音的话音检测方法和装置
US10049668B2 (en) 2015-12-02 2018-08-14 Apple Inc. Applying neural network language models to weighted finite state transducers for automatic speech recognition
CN105741857B (zh) * 2016-04-14 2019-06-14 北京工业大学 一种音调序列的鲁棒阶跃规整方法
US10049663B2 (en) 2016-06-08 2018-08-14 Apple, Inc. Intelligent automated assistant for media exploration
US10586535B2 (en) 2016-06-10 2020-03-10 Apple Inc. Intelligent digital assistant in a multi-tasking environment
DK179415B1 (en) 2016-06-11 2018-06-14 Apple Inc Intelligent device arbitration and control
DK201670540A1 (en) 2016-06-11 2018-01-08 Apple Inc Application integration with a digital assistant
US10474753B2 (en) 2016-09-07 2019-11-12 Apple Inc. Language identification using recurrent neural networks
US10043516B2 (en) 2016-09-23 2018-08-07 Apple Inc. Intelligent automated assistant
EP3327723A1 (de) * 2016-11-24 2018-05-30 Listen Up Technologies Ltd Verfahren zum verlangsamen von sprache in einem eingangsmedieninhalt
US11281993B2 (en) 2016-12-05 2022-03-22 Apple Inc. Model and ensemble compression for metric learning
US11204787B2 (en) 2017-01-09 2021-12-21 Apple Inc. Application integration with a digital assistant
DK201770383A1 (en) 2017-05-09 2018-12-14 Apple Inc. USER INTERFACE FOR CORRECTING RECOGNITION ERRORS
US10417266B2 (en) 2017-05-09 2019-09-17 Apple Inc. Context-aware ranking of intelligent response suggestions
US10395654B2 (en) 2017-05-11 2019-08-27 Apple Inc. Text normalization based on a data-driven learning network
US10726832B2 (en) 2017-05-11 2020-07-28 Apple Inc. Maintaining privacy of personal information
US11301477B2 (en) 2017-05-12 2022-04-12 Apple Inc. Feedback analysis of a digital assistant
DK201770427A1 (en) 2017-05-12 2018-12-20 Apple Inc. LOW-LATENCY INTELLIGENT AUTOMATED ASSISTANT
US10311144B2 (en) 2017-05-16 2019-06-04 Apple Inc. Emoji word sense disambiguation
US10403278B2 (en) 2017-05-16 2019-09-03 Apple Inc. Methods and systems for phonetic matching in digital assistant services
US10303715B2 (en) 2017-05-16 2019-05-28 Apple Inc. Intelligent automated assistant for media exploration
US10657328B2 (en) 2017-06-02 2020-05-19 Apple Inc. Multi-task recurrent neural network architecture for efficient morphology handling in neural language modeling
US10445429B2 (en) 2017-09-21 2019-10-15 Apple Inc. Natural language understanding using vocabularies with compressed serialized tries
US10755051B2 (en) 2017-09-29 2020-08-25 Apple Inc. Rule-based natural language processing
US10636424B2 (en) 2017-11-30 2020-04-28 Apple Inc. Multi-turn canned dialog
US10733982B2 (en) 2018-01-08 2020-08-04 Apple Inc. Multi-directional dialog
US10733375B2 (en) 2018-01-31 2020-08-04 Apple Inc. Knowledge-based framework for improving natural language understanding
US10789959B2 (en) 2018-03-02 2020-09-29 Apple Inc. Training speaker recognition models for digital assistants
US10592604B2 (en) 2018-03-12 2020-03-17 Apple Inc. Inverse text normalization for automatic speech recognition
US10818288B2 (en) 2018-03-26 2020-10-27 Apple Inc. Natural assistant interaction
US10909331B2 (en) 2018-03-30 2021-02-02 Apple Inc. Implicit identification of translation payload with neural machine translation
US11145294B2 (en) 2018-05-07 2021-10-12 Apple Inc. Intelligent automated assistant for delivering content from user experiences
US10928918B2 (en) 2018-05-07 2021-02-23 Apple Inc. Raise to speak
US10984780B2 (en) 2018-05-21 2021-04-20 Apple Inc. Global semantic word embeddings using bi-directional recurrent neural networks
US11386266B2 (en) 2018-06-01 2022-07-12 Apple Inc. Text correction
DK180639B1 (en) 2018-06-01 2021-11-04 Apple Inc DISABILITY OF ATTENTION-ATTENTIVE VIRTUAL ASSISTANT
DK201870355A1 (en) 2018-06-01 2019-12-16 Apple Inc. VIRTUAL ASSISTANT OPERATION IN MULTI-DEVICE ENVIRONMENTS
US10892996B2 (en) 2018-06-01 2021-01-12 Apple Inc. Variable latency device coordination
DK179822B1 (da) 2018-06-01 2019-07-12 Apple Inc. Voice interaction at a primary device to access call functionality of a companion device
US11076039B2 (en) 2018-06-03 2021-07-27 Apple Inc. Accelerated task performance
US10791404B1 (en) * 2018-08-13 2020-09-29 Michael B. Lasky Assisted hearing aid with synthetic substitution
US11064245B1 (en) * 2018-10-03 2021-07-13 Videolocalize Inc. Piecewise hybrid video and audio synchronization
US10878835B1 (en) * 2018-11-16 2020-12-29 Amazon Technologies, Inc System for shortening audio playback times
CN109920406B (zh) * 2019-03-28 2021-12-03 国家计算机网络与信息安全管理中心 一种基于可变起始位置的动态语音识别方法及系统
US11227579B2 (en) * 2019-08-08 2022-01-18 International Business Machines Corporation Data augmentation by frame insertion for speech data
CN110690902B (zh) * 2019-09-25 2022-05-17 电子科技大学 一种基于随机截断的时间交织adc失配优化方法
EP4091332A1 (de) * 2020-01-15 2022-11-23 Dolby International AB Adaptives streaming von medieninhalt mit bitratenumschaltung
CN115315747A (zh) * 2020-04-01 2022-11-08 索尼集团公司 信号处理装置、方法和程序
US12424204B1 (en) 2022-08-23 2025-09-23 Gn Hearing A/S Speech recognition hearing device with multiple supportive detection inputs

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4435831A (en) * 1981-12-28 1984-03-06 Mozer Forrest Shrago Method and apparatus for time domain compression and synthesis of unvoiced audible signals
JP2867744B2 (ja) * 1991-06-17 1999-03-10 松下電器産業株式会社 音声再生装置
US5765127A (en) * 1992-03-18 1998-06-09 Sony Corp High efficiency encoding method
US5717823A (en) * 1994-04-14 1998-02-10 Lucent Technologies Inc. Speech-rate modification for linear-prediction based analysis-by-synthesis speech coders
CN1079180C (zh) * 1995-02-28 2002-02-13 摩托罗拉公司 通信系统中的语音压缩方法及设备
US5774837A (en) * 1995-09-13 1998-06-30 Voxware, Inc. Speech coding system and method using voicing probability determination
US5893062A (en) * 1996-12-05 1999-04-06 Interval Research Corporation Variable rate video playback with synchronized audio
JPH10214098A (ja) * 1997-01-31 1998-08-11 Sanyo Electric Co Ltd 音声変換玩具
US6754265B1 (en) * 1999-02-05 2004-06-22 Honeywell International Inc. VOCODER capable modulator/demodulator
JP3432443B2 (ja) * 1999-02-22 2003-08-04 日本電信電話株式会社 音声速度変換装置、音声速度変換方法および音声速度変換方法を実行するプログラムを記録した記録媒体
US6138089A (en) * 1999-03-10 2000-10-24 Infolio, Inc. Apparatus system and method for speech compression and decompression
JP2001154684A (ja) * 1999-11-24 2001-06-08 Anritsu Corp 話速変換装置
US6718309B1 (en) * 2000-07-26 2004-04-06 Ssi Corporation Continuously variable time scale modification of digital audio signals
US6477502B1 (en) * 2000-08-22 2002-11-05 Qualcomm Incorporated Method and apparatus for using non-symmetric speech coders to produce non-symmetric links in a wireless communication system
BR0204818A (pt) 2001-04-05 2003-03-18 Koninkl Philips Electronics Nv Métodos para modificar e expandir a escala de tempo de um sinal, e para receber um sinal de áudio, dispositivo de modificação de escala de tempo adaptado para modificar um sinal, e, receptor para receber um sinal de áudio
US6985857B2 (en) * 2001-09-27 2006-01-10 Motorola, Inc. Method and apparatus for speech coding using training and quantizing
JP2003216200A (ja) * 2002-01-28 2003-07-30 Telecommunication Advancement Organization Of Japan 字幕用書き起こしテキストの作成支援システム及び半自動型字幕番組制作システム
US7412376B2 (en) * 2003-09-10 2008-08-12 Microsoft Corporation System and method for real-time detection and preservation of speech onset in a signal
US7596488B2 (en) * 2003-09-15 2009-09-29 Microsoft Corporation System and method for real-time jitter control and packet-loss concealment in an audio signal
US7627467B2 (en) * 2005-03-01 2009-12-01 Microsoft Corporation Packet loss concealment for overlapped transform codecs
US7526351B2 (en) * 2005-06-01 2009-04-28 Microsoft Corporation Variable speed playback of digital audio

Also Published As

Publication number Publication date
EP1515310B1 (de) 2007-05-02
US20050055204A1 (en) 2005-03-10
CN1601912A (zh) 2005-03-30
EP1515310A1 (de) 2005-03-16
DE602004006206D1 (de) 2007-06-14
US7337108B2 (en) 2008-02-26
JP2005084692A (ja) 2005-03-31
KR101046147B1 (ko) 2011-07-01
KR20050026884A (ko) 2005-03-16
JP5096660B2 (ja) 2012-12-12
CN100533989C (zh) 2009-08-26
DE602004006206T2 (de) 2007-08-30

Similar Documents

Publication Publication Date Title
ATE361525T1 (de) System und verfahren zur hochqualitativen verlängerung und verkürzung eines digitalen audiosignals
EP1582061A4 (de) Decodiervorrichtung und verfahren zum glättenvon während der fehlerverbergung erzeugten artefakten
DE69904440T2 (de) Dekodierverfahren, sprachkodiereinheit und netzwerkelement
ATE522088T1 (de) Verfahren und zugehörige vorrichtung zum filtern von digitalen videobildern
DE60117144D1 (de) Sprachübertragungssystem und verfahren zur behandlung verlorener datenrahmen
EP1555832A3 (de) Adaptiver Filter zur Beseitigung von Blockartefakten
EP1329877A3 (de) Sprachsynthese und -dekodierung
EP0770988A3 (de) Verfahren zur Sprachdekodierung und tragbares Endgerät
DE69614782D1 (de) Verfahren und Einrichtung zur Wiedergabe von Sprachsignalen und Verfahren zu seiner Übertragung
ATE420534T1 (de) Verfahren zur filterung von digitalen bildern und filtergerät
SE9800268D0 (sv) A method and a device for bit-rate reduction using synthetic bandwidth expansion
EP2268037A3 (de) Verfahren und Vorrichtung zur Videokodierung, Verfahren und Vorrichtung zur Videodekodierung, und Videokodierungsprogramm und Videodekodierungsprogramm
EP2268036A3 (de) Verfahren zur Kodierung und Dekodierung eines Videosignals
EP0986269A3 (de) In-Betrieb-Echtzeitanalyse der Bildqualität
CA2201516A1 (en) Method and system for a user to manually alter the quality of previously encoded video frames
DE60121201D1 (de) Verfahren und vorrichtung zur verschleierung von fehlerhaften rahmen während der sprachdekodierung
WO2005034080A3 (en) A method of making a window type decision based on mdct data in audio encoding
ATE386319T1 (de) Verfahren und vorrichtung zur verschleierung von fehlerbehafteten sprachrahmen
EP1091348A3 (de) Verfahren und Vorrichtung zur Reduzierung der Sprachinaktivität in einer mit niedriger Bitrate kodierten Sprachnachricht
BR0313317A (pt) Quantização adaptável por largura de banda
DE69738760D1 (de) Extrudiertes metallrohr, aerosoldose und verfahren zur herstellung eines metallrohres
EP0914006A3 (de) System zur wahrnehmungsgebundenen Kompression und robusten Bitratensteuerung
DE60312425D1 (de) Polymerisierbare Verbindung, Polymerverbindung und Blockcopolymerverbindung und Zusammensetzung; Verfahren zur Bildherstellung und Bilderzeugungsgerät, das dieses verwendet
Qi et al. Enhancement of female esophageal and tracheoesophageal speech
DE69935233T2 (de) Sprachkodierung

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties